I am trying to use openser purely as a RTP proxy using mediaproxy. All SIP request are forwarded through to a central server. However, the RTP proxying does not work. The mediaproxy session gets set up and both end points get given the same port on the mediaproxy - is this correct? Both end points forward RTP packets to the mediaproxy but they are not forwarded.
These are my log entries for the call and my config is attached:
Apr 6 21:33:11 lepus mediaproxy[27804]: command request 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3 192.168.2.3:49200:audio 202.74.181.144 sipone.com local 202.74.164.72 remote SJphone/1.60.299a/L=20(SJ=20Labs) info=from:61028679%20@sipone.com,to:1300130710@sipone.com,fromtag:1870227267254482412,totag: Apr 6 21:33:11 lepus mediaproxy[27804]: session 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3: started. listening on 202.74.164.44:35038 Apr 6 21:33:11 lepus mediaproxy[27804]: command execution time: 1.54 ms Apr 6 21:33:11 lepus mediaproxy[27804]: command lookup 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3 202.74.164.72:20750:audio 202.74.164.72 sipone.com local sipone.com unknown Cisco-SIPGateway/IOS-12.x info=from:61028679%20@sipone.com,to:1300130710@sipone.com,fromtag:1870227267254482412,totag:BDA88B14-B58 Apr 6 21:33:11 lepus mediaproxy[27804]: command execution time: 0.36 ms Apr 6 21:33:19 lepus mediaproxy[27804]: command delete 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3 info= Apr 6 21:33:19 lepus mediaproxy[27804]: session 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3: 0/0/0 packets, 0/0/0 bytes (caller/called/relayed) Apr 6 21:33:19 lepus mediaproxy[27804]: session 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3: ended. Apr 6 21:33:19 lepus mediaproxy[27804]: command execution time: 0.31 ms
I have ethereal captures showing the SIP and RTP packets if they are useful.
Can anyone help me?
Jeff
# $Id: gw-pstn.cfg 9 2005-08-19 15:30:55Z /CN=Greger V. Teigre/emailAddress=greger@onsip.org $ debug=5 fork=yes log_stderror=no
port=5060 children=4
dns=no rev_dns=no fifo="/tmp/ser_fifo" fifo_db_url="mysql://openser:pass@localhost/openser"
loadmodule "/usr/lib/openser/modules/mysql.so" loadmodule "/usr/lib/openser/modules/sl.so" loadmodule "/usr/lib/openser/modules/tm.so" loadmodule "/usr/lib/openser/modules/rr.so" loadmodule "/usr/lib/openser/modules/maxfwd.so" loadmodule "/usr/lib/openser/modules/usrloc.so" loadmodule "/usr/lib/openser/modules/uri.so" loadmodule "/usr/lib/openser/modules/uri_db.so" loadmodule "/usr/lib/openser/modules/mediaproxy.so" loadmodule "/usr/lib/openser/modules/nathelper.so" loadmodule "/usr/lib/openser/modules/textops.so" loadmodule "/usr/lib/openser/modules/avpops.so" loadmodule "/usr/lib/openser/modules/domain.so" #loadmodule "/usr/lib/openser/modules/permissions.so"
modparam("nathelper", "rtpproxy_disable", 1) modparam("nathelper", "natping_interval", 0)
modparam("mediaproxy","natping_interval", 30) modparam("mediaproxy","mediaproxy_socket", "/var/run/mediaproxy.sock") #modparam("mediaproxy","sip_asymmetrics","/usr/local/etc/ser/sip-clients") #modparam("mediaproxy","rtp_asymmetrics","/usr/local/etc/ser/rtp-clients")
modparam("usrloc", "db_mode", 2)
modparam("rr", "enable_full_lr", 1)
modparam("tm", "fr_inv_timer", 27) modparam("tm", "fr_inv_timer_avp", "inv_timeout")
#modparam("permissions", "db_mode", 1) #modparam("permissions", "trusted_table", "trusted")
modparam("domain", "db_url", "mysql://openserro:pass@localhost/openser") modparam("domain", "db_mode", 1)
modparam("usrloc", "db_url", "mysql://openser:pass@localhost/openser") modparam("usrloc", "db_mode", 1) modparam("usrloc", "use_domain", 1)
modparam("uri_db", "db_url", "mysql://openserro:pass@localhost/openser")
route {
# ----------------------------------------------------------------- # Sanity Check Section # ----------------------------------------------------------------- if (!mf_process_maxfwd_header("10")) { sl_send_reply("483", "Too Many Hops"); return; };
if (msg:len > max_len) { sl_send_reply("513", "Message Overflow"); return; };
# ----------------------------------------------------------------- # Record Route Section # ----------------------------------------------------------------- if (method=="INVITE" && client_nat_test("3")) { add_rr_param(";nat=yes"); record_route(); } else if (method!="REGISTER") { record_route(); };
# ----------------------------------------------------------------- # Call Tear Down Section # ----------------------------------------------------------------- if (method=="BYE" || method=="CANCEL") { end_media_session(); };
# ----------------------------------------------------------------- # Loose Route Section # ----------------------------------------------------------------- if (loose_route()) {
if (has_totag() && (method=="INVITE" || method=="ACK")) { log(">>> loose_route, has_totag, etc"); if (client_nat_test("3")||check_route_param("nat=yes")){ setflag(6); use_media_proxy(); }; };
route(1); return; };
if (method=="CANCEL") { route(1); return; } else if (method=="INVITE") { route(3); return; } else if (method=="REGISTER") { route(2); return; };
route(1); }
route[1] { t_on_reply("1");
if (!t_relay()) {
if (method=="INVITE" || method=="ACK") { end_media_session(); };
sl_reply_error(); }; }
route[2] {
# ----------------------------------------------------------------- # REGISTER Message Handler # -----------------------------------------------------------------
sl_send_reply("100", "Trying");
if (!search("^Contact:[ ]**") && client_nat_test("7")) { setflag(6); fix_nated_register(); force_rport(); };
rewritehost("xxx.xxx.xxx.xxx"); route(1); }
route[3] {
# ----------------------------------------------------------------- # INVITE Message Handler # -----------------------------------------------------------------
if (client_nat_test("3")) { setflag(7); force_rport(); fix_nated_contact(); };
rewritehost("xxx.xxx.xxx.xxx"); route(4); route(1); }
route[4] {
# ----------------------------------------------------------------- # NAT Traversal Section # -----------------------------------------------------------------
if (isflagset(6) || isflagset(7)) { use_media_proxy(); }; }
onreply_route[1] { if ((isflagset(6) || isflagset(7)) && (status=~"(180)|(183)|2[0-9][0-9]")) {
if (!search("^Content-Length:[ ]*0")) { use_media_proxy(); }; };
if (client_nat_test("1")) { fix_nated_contact(); }; }
Of course its always the last place you look - iptables firewall rules were blocking the udp traffic. Everything works now.
Jeff
Jeff Williams wrote:
I am trying to use openser purely as a RTP proxy using mediaproxy. All SIP request are forwarded through to a central server. However, the RTP proxying does not work. The mediaproxy session gets set up and both end points get given the same port on the mediaproxy - is this correct? Both end points forward RTP packets to the mediaproxy but they are not forwarded.
These are my log entries for the call and my config is attached:
Apr 6 21:33:11 lepus mediaproxy[27804]: command request 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3 192.168.2.3:49200:audio 202.74.181.144 sipone.com local 202.74.164.72 remote SJphone/1.60.299a/L=20(SJ=20Labs) info=from:61028679%20@sipone.com,to:1300130710@sipone.com,fromtag:1870227267254482412,totag: Apr 6 21:33:11 lepus mediaproxy[27804]: session 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3: started. listening on 202.74.164.44:35038 Apr 6 21:33:11 lepus mediaproxy[27804]: command execution time: 1.54 ms Apr 6 21:33:11 lepus mediaproxy[27804]: command lookup 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3 202.74.164.72:20750:audio 202.74.164.72 sipone.com local sipone.com unknown Cisco-SIPGateway/IOS-12.x info=from:61028679%20@sipone.com,to:1300130710@sipone.com,fromtag:1870227267254482412,totag:BDA88B14-B58 Apr 6 21:33:11 lepus mediaproxy[27804]: command execution time: 0.36 ms Apr 6 21:33:19 lepus mediaproxy[27804]: command delete 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3 info= Apr 6 21:33:19 lepus mediaproxy[27804]: session 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3: 0/0/0 packets, 0/0/0 bytes (caller/called/relayed) Apr 6 21:33:19 lepus mediaproxy[27804]: session 89C6D172-1DD2-11B2-BBB5-97F0622A5395@192.168.2.3: ended. Apr 6 21:33:19 lepus mediaproxy[27804]: command execution time: 0.31 ms
I have ethereal captures showing the SIP and RTP packets if they are useful.
Can anyone help me?
Jeff
# $Id: gw-pstn.cfg 9 2005-08-19 15:30:55Z /CN=Greger V. Teigre/emailAddress=greger@onsip.org $ debug=5 fork=yes log_stderror=no
port=5060 children=4
dns=no rev_dns=no fifo="/tmp/ser_fifo" fifo_db_url="mysql://openser:pass@localhost/openser"
loadmodule "/usr/lib/openser/modules/mysql.so" loadmodule "/usr/lib/openser/modules/sl.so" loadmodule "/usr/lib/openser/modules/tm.so" loadmodule "/usr/lib/openser/modules/rr.so" loadmodule "/usr/lib/openser/modules/maxfwd.so" loadmodule "/usr/lib/openser/modules/usrloc.so" loadmodule "/usr/lib/openser/modules/uri.so" loadmodule "/usr/lib/openser/modules/uri_db.so" loadmodule "/usr/lib/openser/modules/mediaproxy.so" loadmodule "/usr/lib/openser/modules/nathelper.so" loadmodule "/usr/lib/openser/modules/textops.so" loadmodule "/usr/lib/openser/modules/avpops.so" loadmodule "/usr/lib/openser/modules/domain.so" #loadmodule "/usr/lib/openser/modules/permissions.so"
modparam("nathelper", "rtpproxy_disable", 1) modparam("nathelper", "natping_interval", 0)
modparam("mediaproxy","natping_interval", 30) modparam("mediaproxy","mediaproxy_socket", "/var/run/mediaproxy.sock") #modparam("mediaproxy","sip_asymmetrics","/usr/local/etc/ser/sip-clients") #modparam("mediaproxy","rtp_asymmetrics","/usr/local/etc/ser/rtp-clients")
modparam("usrloc", "db_mode", 2)
modparam("rr", "enable_full_lr", 1)
modparam("tm", "fr_inv_timer", 27) modparam("tm", "fr_inv_timer_avp", "inv_timeout")
#modparam("permissions", "db_mode", 1) #modparam("permissions", "trusted_table", "trusted")
modparam("domain", "db_url", "mysql://openserro:pass@localhost/openser") modparam("domain", "db_mode", 1)
modparam("usrloc", "db_url", "mysql://openser:pass@localhost/openser") modparam("usrloc", "db_mode", 1) modparam("usrloc", "use_domain", 1)
modparam("uri_db", "db_url", "mysql://openserro:pass@localhost/openser")
route {
# ----------------------------------------------------------------- # Sanity Check Section # ----------------------------------------------------------------- if (!mf_process_maxfwd_header("10")) { sl_send_reply("483", "Too Many Hops"); return; };
if (msg:len > max_len) { sl_send_reply("513", "Message Overflow"); return; };
# ----------------------------------------------------------------- # Record Route Section # ----------------------------------------------------------------- if (method=="INVITE" && client_nat_test("3")) { add_rr_param(";nat=yes"); record_route(); } else if (method!="REGISTER") { record_route(); };
# ----------------------------------------------------------------- # Call Tear Down Section # ----------------------------------------------------------------- if (method=="BYE" || method=="CANCEL") { end_media_session(); };
# ----------------------------------------------------------------- # Loose Route Section # ----------------------------------------------------------------- if (loose_route()) {
if (has_totag() && (method=="INVITE" || method=="ACK")) { log(">>> loose_route, has_totag, etc"); if (client_nat_test("3")||check_route_param("nat=yes")){ setflag(6); use_media_proxy(); }; }; route(1); return;};
if (method=="CANCEL") { route(1); return; } else if (method=="INVITE") { route(3); return; } else if (method=="REGISTER") { route(2); return; };
route(1); }
route[1] { t_on_reply("1");
if (!t_relay()) {
if (method=="INVITE" || method=="ACK") { end_media_session(); }; sl_reply_error();}; }
route[2] {
# ----------------------------------------------------------------- # REGISTER Message Handler # -----------------------------------------------------------------
sl_send_reply("100", "Trying");
if (!search("^Contact:[ ]**") && client_nat_test("7")) { setflag(6); fix_nated_register(); force_rport(); };
rewritehost("xxx.xxx.xxx.xxx"); route(1); }
route[3] {
# ----------------------------------------------------------------- # INVITE Message Handler # -----------------------------------------------------------------
if (client_nat_test("3")) { setflag(7); force_rport(); fix_nated_contact(); };
rewritehost("xxx.xxx.xxx.xxx"); route(4); route(1); }
route[4] {
# ----------------------------------------------------------------- # NAT Traversal Section # -----------------------------------------------------------------
if (isflagset(6) || isflagset(7)) { use_media_proxy(); }; }
onreply_route[1] { if ((isflagset(6) || isflagset(7)) && (status=~"(180)|(183)|2[0-9][0-9]")) {
if (!search("^Content-Length:[ ]*0")) { use_media_proxy(); };};
if (client_nat_test("1")) { fix_nated_contact(); }; }
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Jeff Williams